Home / 13,681.71-20,525.13-4,796.55

Finding the Fourth Proportional to 13,681.71, 20,525.13 and 4,796.55

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Solution

The fourth proportional to 13,681.71, 20,525.13 and 4,796.55 is: 7,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681.71 : 20,525.13 = 4,796.55 : x
  2. Step 2: Convert to fraction form
    13,681.71/20,525.13 = 4,796.55/x
  3. Step 3: Cross multiply
    13,681.71x = 20,525.13 × 4,796.55
  4. Step 4: Simplify right side
    13,681.71x = 98,449,812.30
  5. Step 5: Solve for x
    x = 98,449,812.30/13,681.71
  6. Step 6: Final answer
    x = 7,195.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.